828344988 has 48 divisors (see below), whose sum is σ = 2154972960. Its totient is φ = 275162112.

The previous prime is 828344971. The next prime is 828345013. The reversal of 828344988 is 889443828.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18556 + ... + 44732.

It is an arithmetic number, because the mean of its divisors is an integer number (44895270).

Almost surely, 2^828344988 is an apocalyptic number.

It is an amenable number.

828344988 is an abundant number, since it is smaller than the sum of its proper divisors (1326627972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828344988 is a wasteful number, since it uses less digits than its factorization.

828344988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483 (or 26475 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 828344988 is about 28780.9830964823. The cubic root of 828344988 is about 939.1545846816.

The spelling of 828344988 in words is "eight hundred twenty-eight million, three hundred forty-four thousand, nine hundred eighty-eight".